Bug #72946 [NEW]: variable assignment failure with foreach after reference
| From: | shaveneLee at gmail dot com | Date: | Fri, 26 Aug 2016 09:28:21 +0000 |
| Subject: | Bug #72946 [NEW]: variable assignment failure with foreach after reference | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-203564@lists.php.net to get a copy of this message | ||
From: shaveneLee at gmail dot com
Operating system: Windows 10 or Centos 6.8
PHP version: 7.0.10
Package: *General Issues
Bug Type: Bug
Bug description:variable assignment failure with foreach after reference
Description:
------------
same array variable($reqs) when it was assign value with &, then use
foreach to loop it again, the last loop variable value was assigned
failed.
please,see the simple test script below.
Test script:
---------------
function foo() {
$reqs = array('11', '22', array('id' => 123,
'name' =>
'ffff'));
foreach ($reqs as &$req) {
if (is_array($req)) {
$req['name'] = 'dd'; //alter value
}
}
echo '<pre>';
print_r($reqs); //values changed, ok
echo '</pre>';
foreach ($reqs as $req) {
echo '<pre>';
print_r($req); //the last value is '22', that is wrong.
echo '</pre>';
}
}
output:
11
22
22 //it should be output this: array('id' => 123, 'name' =>
'ffff')
Expected result:
----------------
expect output result:
11
22
Array
(
[id] => 123
[name] => ffff
)
Actual result:
--------------
11
22
22
--
Edit bug report at https://bugs.php.net/bug.php?id=72946&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72946&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72946&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72946&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=72946&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=72946&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=72946&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=72946&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=72946&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=72946&r=support
Expected behavior: https://bugs.php.net/fix.php?id=72946&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=72946&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=72946&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=72946&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72946&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=72946&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=72946&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=72946&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=72946&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=72946&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=72946&r=mysqlcfg